Midpoint C Review Mr. Berry

Front

What is a group of atoms joined together called?

Back

A molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Tags

NGSS.MS-PS1-1

Front

What happens to molecules in a solid when energy is added?

Back

The molecules begin to move around each other, transitioning from a solid state to a liquid state.

Tags

NGSS.MS-PS1-4

Front

What is the process called when a liquid changes to a solid?

Back

The process is called freezing.

Front

What type of solution is formed when 60g of NaNO3 is dissolved in 100g of water at 40ºC?

Back

The solution is unsaturated, meaning it can still dissolve more solute.

Front

At what temperature can you fully dissolve 140g of NaNO3 in water?

Back

You can fully dissolve 140g of NaNO3 at 73ºC.

Tags

NGSS.MS-PS1-4

Front

Define a saturated solution.

Back

A saturated solution is one in which no more solute can dissolve at a given temperature.

Front

What is the difference between a saturated and an unsaturated solution?

Back

A saturated solution contains the maximum amount of solute that can dissolve, while an unsaturated solution can still dissolve more solute.

Front

What is sublimation?

Back

Sublimation is the process where a solid changes directly into a gas without becoming a liquid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is evaporation?

Back

Evaporation is the process by which molecules in a liquid state gain enough energy to enter the gaseous state.

Tags

NGSS.MS-PS1-4

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Tags

NGSS.MS-PS1-5